ArticleNucleic acids research1996
Identification of a second conserved element within the coding sequence of a mouse H3 histone gene that interacts with nuclear factors and is necessary for normal expression.
Article in Nucleic acids research, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 19 citations in OpenAlex.
- Role for a YY1-binding element in replication-dependent mouse histone gene expression.Molecular and cellular biology · 1998Article
- The mouse histone H2a gene contains a small element that facilitates cytoplasmic accumulation of intronless gene transcripts and of unspliced HIV-1-related mRNAs.Proceedings of the National Academy of Sciences of the United States of America · 1997Article
- Cell cycle-regulated binding of nuclear proteins to elements within a mouse H3.2 histone gene.Proceedings of the National Academy of Sciences of the United States of America · 1996Article
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3 authors at 1 institution in 1 country.
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Abstract
Replication-dependent histone genes of all four nucleosomal classes are coordinately up-regulated at the beginning of S phase of the eukaryotic cell cycle. The universality and importance of this process in eukaryotic cells suggest that common regulatory mechanisms are involved in controlling the high level of expression of these histone genes. We have previously identified the alpha element within mouse H2a.2 and H3.2 coding region activating sequences (CRAS), which is involved in regulation of these two replication-dependent genes. Here we report the identification of a second element within the mouse histone CRAS, the omega element. This element interacts with nuclear proteins and we present in vivo evidence that this sequence is required for normal expression. Omega nucleotides involved in interaction with nuclear proteins have been precisely mapped by menas of DNase I footprinting and methylation interference assays. A naturally occurring mutation in the omega sequence is found in a replication-independent H3.3 gene. Mutation of the H3.2 omega element to that of the H3.3 sequence (3 nt changes) caused a 4-fold drop in in vivo expression of the H3.2 gene in stably transfected CHO cells, equally the effect of mutation of all 7 nt of the element. By UV cross-linking we have determined the approximate molecular weight of the omega binding protein to be 45 kDa. Finally, we identify putative omega sequences in the coding region of mouse H2B and H4 histone genes.
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